Observation of large, untwinned orthorhombic domains in YBa 2Cu3O7 single crystals

Z. Z. Wang, Nai Phuan Ong, J. T. McGinn

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6 Scopus citations

Abstract

The twinning pattern in single crystals of YBa2Cu 3O7 has been studied by differential interference contrast microscopy and transmission electron microscopy. In 10% of crystals studied large untwinned orthorhombic [(b-a)/a=2.7%] domains exceeding 100×100 μm2 in area are observed. The structure of twin defects is described and the existence of two types of minority domains is inferred. We infer from the domain structures a mechanism for the growth of twinning patterns in single crystals.

Original languageEnglish (US)
Pages (from-to)2794-2798
Number of pages5
JournalJournal of Applied Physics
Volume65
Issue number7
DOIs
StatePublished - Dec 1 1989

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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